I like the first image and last image of your DeviantArt cosplay gallery, because they both have interesting backgrounds and you did not use on-camera flash. The first image showing the character Lightning, has a nice post-processing effect, and I like how she is in-character.

The photos that show backgrounds of city buildings don't seem to match the cosplays well, and they are distracting-looking.

The portrait 'Fighter for Hire" has a nice fighter pose. The lighting looks fine, since I don't notice an unnatural effect from your on-camera flash, even though you used it here.

The photo of the man sitting in a blue and black costume seems to be like a snap-shot. Give him a pose that would fit his character.

I recommend you try more candid-looking poses, like your 'The Wandering Samurai' portrait.

I don't know much about photography yet, but I do agree about the backgrounds. Maybe find some nice scenery to match the characters, like your In Your Nightmares and Target Aquired photos.

I do really like your shot of Medusa. The angle, pose, and background are all very nice. Your shot of Kenshin is also well done ^_^! The only thing that draws from the photo is the background but the pose is spot on. And I have to agree, I'm falling in love with the colors of your shots. Can't wait to see more from you

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"He viewed his own mentality as grotesque but useful, like a chair made of antlers. There was nothing he could do about it."